Oilpan: Unship oilpan from temporary animation objects

Source/core/animation/animatable/AnimatableValue.cpp

Index: Source/core/animation/animatable/AnimatableValue.cpp
diff --git a/Source/core/animation/animatable/AnimatableValue.cpp b/Source/core/animation/animatable/AnimatableValue.cpp
index 5a7666886a34caf128b3d6d16321d4435d1e486b..51388bff96bbc131098d918134a34a35c2a1aab8 100644
--- a/Source/core/animation/animatable/AnimatableValue.cpp
+++ b/Source/core/animation/animatable/AnimatableValue.cpp
@@ -39,11 +39,11 @@ namespace blink {
 
 const AnimatableValue* AnimatableValue::neutralValue()
 {
-    DEFINE_STATIC_REF_WILL_BE_PERSISTENT(AnimatableNeutral, neutralSentinelValue, (AnimatableNeutral::create()));
+    DEFINE_STATIC_REF(AnimatableNeutral, neutralSentinelValue, (AnimatableNeutral::create()));
     return neutralSentinelValue;
 }
 
-PassRefPtrWillBeRawPtr<AnimatableValue> AnimatableValue::interpolate(const AnimatableValue* left, const AnimatableValue* right, double fraction)
+PassRefPtr<AnimatableValue> AnimatableValue::interpolate(const AnimatableValue* left, const AnimatableValue* right, double fraction)
 {
     ASSERT(left);
     ASSERT(right);